a black powder, FeO, insoluble in water, soluble in acid.
- Also called iron monoxide.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use ferrous oxide in a sentence
Calculate the percentage as ferrous oxide, unless there are reasons to the contrary, also calculate its weight as ferric oxide.A Textbook of Assaying: For the Use of Those Connected with Mines. | Cornelius Beringer and John Jacob Beringer
The iron found is multiplied by 1.286, and reported as ferrous oxide.A Textbook of Assaying: For the Use of Those Connected with Mines. | Cornelius Beringer and John Jacob Beringer
Thus iron protoxide is now generally known as ferrous oxide, and iron peroxide as ferric oxide.Heroes of Science | M. M. Pattison Muir
A little more, and I won't know whether I'm a nitrous sulphide or a ferrous oxide of bromo seltzer.Torchy, Private Sec. | Sewell Ford
In a reducing atmosphere, on the contrary, ferrous oxide readily forms and attacks the clay, forming a dark grey vitreous mass.The Natural History of Clay | Alfred B. Searle
Scientific definitions for ferrous oxide
A black powder used to make steel, green heat-absorbing glass, and enamels. Chemical formula: FeO.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.